Customers opt in to receive SMS messages by texting one of our opt‑in keywords (e.g., JOIN, START, SUBSCRIBE) to our phone number. After sending the keyword, they immediately receive an automated confirmation message stating: “You’re almost signed up! Reply YES to confirm you want to receive text messages from [Your Business Name]. Msg & data rates may apply. You may receive recurring messages. Reply STOP to unsubscribe or HELP for help.” Customers must reply YES to complete the opt‑in process. All opt‑ins are logged and stored for compliance.